Taxanaha ODOT B waa mid isku dhafan oo I/O module ah oo leh iskudhafyo modular gudaha ah.Korontada iyo guddiga COMM waxay ku yaalliin xagga hoose, iyo moduleka IO wuxuu kula xiriiraa guddiga COMM isagoo maraya dhabarka dambe (Module cagaarka ah sida hoose).Waxay taageeri kartaa balaadhinta ugu badan ee 4 boosaska IO (kaliya 2 boosas IO ayaa lagu rakibay jaantuska hoose).